Home / 35,445.04-53,149.10-16,720.05

Finding the Fourth Proportional to 35,445.04, 53,149.10 and 16,720.05

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Solution

The fourth proportional to 35,445.04, 53,149.10 and 16,720.05 is: 25,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.04 : 53,149.10 = 16,720.05 : x
  2. Step 2: Convert to fraction form
    35,445.04/53,149.10 = 16,720.05/x
  3. Step 3: Cross multiply
    35,445.04x = 53,149.10 × 16,720.05
  4. Step 4: Simplify right side
    35,445.04x = 888,655,725.16
  5. Step 5: Solve for x
    x = 888,655,725.16/35,445.04
  6. Step 6: Final answer
    x = 25,071.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.